<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>start</title>
</head>
<body>
    <div>dd</div>
    <button onclick="buttonClick();">开始</button>
    <script>
        var count=10101;
        function buttonClick() {
            var cod={};
            setPerson(cod);
            console.log(cod);
        }
        function setPerson(obj){
            obj.name="dsaignisd",
            obj.age=count++
        }
    </script>
</body>
</html>